Excavator-Mounted Rock Drill and Splitter is an integrated rock-breaking device directly mounted on the excavator arm. It consists of core components such as a feed beam, hydraulic impactor, drill rod system, splitting cylinder, and remote control system, combining drilling and static splitting functions into one. During operation, the device first drills with the impactor, then switches to splitting mode using the same system, applying synchronized pressure from two-stage cylinders to generate huge radial force inside the hole, causing the rock to crack along the preset fracture surface. No tool change or excavator movement is needed; one process completes the entire “drilling + splitting” workflow.
Hot-Selling Excavator-Mounted Rock Drill and Splitter Parameters
| Parameter Item | Unit | Value |
| Piling Beam Length | mm | 4850 |
| Drilling Advance Stroke | mm | 2600 |
| Max Drilling Thrust Force | KN | 50 |
| Max Drilling Pull Force | KN | 32 |
| Piling Advance Stroke | mm | 1800 |
| Max Piling Thrust Force | KN | 160 |
| Max Piling Pull Force | KN | 100 |
| Hydraulic Pressure (Max) | MPa | 35 |
| Hydraulic Flow | L/min | 240 |
| Weight | kg | 6200 |
| Dimensions | mm | 5270×1485×1840 |
| Operation Mode | – | Remote Control |
| Impactor Model | – | Chuanqi（HK5-Y） |
| Drilling Diameter | mm | 140-152 |
| Max Drilling Depth | mm | 2300 |
| Drilling Speed | mm/min | 800-1000 |
| Power Head Torque | N.m | 3450 |
6 Advantages of YG Excavator-Mounted Rock Drill and Splitter
- Two-in-one, integrated process: The hydraulic rock drill and splitter integrate drilling and splitting on the same equipment, eliminating the need for separate drill rigs and splitters, reducing equipment scheduling costs and labor input.
- Optimized center of gravity, works with small excavators: The weight is concentrated on the back of the excavator bracket and the arm, preventing forward center-of-gravity shift when the arm is raised. It can fit 20-ton class excavators, offering wide applicability.
- Remote control, safe and efficient: Operators control remotely via a transmitter, staying away from the working face, reducing risks from falling rocks and dust.
- Two-stage cylinders synchronously pressurize: High splitting force, long cracking stroke, and cracks up to 5.5cm wide ensure rocks break from the bottom, achieving thorough fragmentation.
- High-strength materials, wear-resistant and durable: Made of high-strength, wear-resistant plates, and the drill bit is made of alloy material, allowing smooth drilling even in hard rock.
- Multi-angle operation capability: Supports vertical, inverted, and angled drilling, suitable for steep slopes, tunnel faces, and other harsh environments.
Which Applications Are Suitable for Integrated Rock Drill and Splitter?
- Open-pit mining of hard rocks: Mining of hard rocks like granite and basalt – no blasting permits needed; static crushing is environmentally compliant.
- Tunnel and culvert excavation: Drilling and splitting on the face in one step, no large equipment needed, especially suitable for confined spaces.
- Subway foundation pit construction: Excavator-mounted rock drill and splitter can be lowered into the pit by crane, solving space constraints in urban subway construction.
- Municipal pipeline trenching: Trenching in city roads – quick rock breaking without blasting, reducing impact on nearby buildings and residents.
- Hydraulic engineering foundation excavation: Dam foundations, water diversion channels – static breaking avoids water pollution from blasting.
- Defense and emergency projects: Military construction requiring quiet and concealed work – the low noise of rock drilling and splitting machine is ideal.
“Drilling + Splitting” Integrated vs. “Drill First, Split Later” Separate – How Big Is the Efficiency Gap?
- Equipment count: Integrated solution needs only 1 excavator + 1 excavator-mounted rock drill and splitter; separate solution needs a drill rig + splitter + extra excavator, at least 3 machines on site.
- Crew size: Integrated needs only 1 remote operator; separate needs a drill operator, splitter operator, and helpers, at least 3–4 people.
- Process handover: Integrated drills and splits at the same spot without moving equipment; separate requires the drill rig to withdraw after drilling, then the splitter moves in, causing downtime and efficiency loss.
- Overall efficiency: Integrated can process 3–5 m³ of hard rock per hour; separate, affected by equipment scheduling, only 1–2 m³ per hour, a 2–3 times efficiency gap.
- Cost comparison: Integrated equipment rental + labor costs are about 60% of the separate solution, reducing overall construction costs by 30%–40%.
Frequently Asked Questions About Rock Drilling and Splitting Machine
Q1: How deep can a hydraulic rock drill and splitter drill?
The YG-152 model has a max drilling depth of 2300mm and diameter 140–152mm, meeting most hard rock splitting requirements.
Q2: How does the equipment work in tunnels?
excavator-mounted rock drill and splitter is compact and can be brought into tunnels by the excavator. When tunnel height is limited, choose a model for smaller excavators to ensure passability.
Q3: What crack width can be achieved?
Two-stage cylinders pressurize synchronously, crack width up to 5.5cm, crack extends from bottom to top, ensuring rocks break from the root.
Q4: Does the equipment support remote control?
Yes. YG hydraulic rock drill and splitter comes standard with remote control, allowing operators to control drilling and splitting from a safe distance, reducing risks.
Q5: Can it be used in hard rock like granite?
Absolutely. The alloy drill bit and high-torque hydraulic motor ensure efficient drilling in hard rocks like granite and basalt with f=10 and above.
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Choose YG Machinery
YG has a complete line of integrated drill-splitter machines and extensive project experience. Our integrated rock drill and splitter has been widely used in mining, tunneling, subway, water conservancy, and municipal projects, providing efficient, eco-friendly, low-cost static stone-breaking solutions. Whether you are a mine owner, contractor, or equipment renter, YG can match the right hydraulic rock drill and splitter model for you. Contact YG today for technical solutions and quotes.
